Authentication API core concepts
Use this section to understand authentication flows, transaction details, risk evaluation, and API security.
Topics in this section
Authentication overview
Use this page to understand prerequisites, the three-call Authentication API lifecycle, and the supported authenticators before you start integrating. For complete operation details, see the Authentication API reference.
Transaction details and push messages
Use this page when you need to attach transaction data to an Authentication API request or customize Soft Token SDK push notifications.
Risk and machine authentication
Use this page to understand how risk evaluation and machine authentication affect Authentication API flows.
Authentication and support
Use this page when you need a quick reference for the Authentication API security scheme or support details.